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There is no Relationship Between Seafood Allergy and Radiocontrast Media

Published on Jan 05, 2011 with 4 comments

How often do allergists hear: “I am allergic to fish and therefore I am allergic to the iodine in radiocontrast dye”?

The long-standing misconception that there is a higher incidence of allergic reactions to radiocontrast media (IVP dye) in those with seafood allergy is alive and well. And, this misunderstanding is pervasive among both physicians and patients.

In a survey of 231 faculty radiologist and interventional cardiologists at 6 midwest academic medical centers, sixty-nine percent of responders indicated that they inquire about a history of seafood allergy before radiocontrast media administration. Some 37.2% of responders replied that they would withhold radiocontrast media or recommend premedication on the basis of a history of seafood allergy.

Medical research has proven time and time again that there is no cross-reactivity between these substances. Physician education with respect to seafood allergy and radiocontrast media administration is vital to halting the persistence of this misconception.

Source:  The American Journal of Medicine
Volume 121, Issue 2, February 2008, Pages 158.e1-158.e4



By Robin on 2011 03 10

Great to hear!

By Robin on 2011 03 10

I’ve had 3 emergency contrasts dyes done without my concent and each time in and out of the military have resulted in a major allergic reaction. On top of this I’ve also had 4 anaphylaxis reactions to all types of seafood including fish. I’m tired of the recent press about the link to iodone. Please get tested I’m living proof of a link between seafood and iodine. Good luck as I’ve had many close calls with complete cardiac arrest.

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